Home / 806,573,087.20-1,209,859,630.80-397,825,055.20

Finding the Fourth Proportional to 806,573,087.20, 1,209,859,630.80 and 397,825,055.20

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Solution

The fourth proportional to 806,573,087.20, 1,209,859,630.80 and 397,825,055.20 is: 596,737,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,573,087.20 : 1,209,859,630.80 = 397,825,055.20 : x
  2. Step 2: Convert to fraction form
    806,573,087.20/1,209,859,630.80 = 397,825,055.20/x
  3. Step 3: Cross multiply
    806,573,087.20x = 1,209,859,630.80 × 397,825,055.20
  4. Step 4: Simplify right side
    806,573,087.20x = 481,312,474,407,261,568
  5. Step 5: Solve for x
    x = 481,312,474,407,261,568/806,573,087.20
  6. Step 6: Final answer
    x = 596,737,582.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.